Wulingyuan ([ù.lǐŋ.y̯ɛ̌n]; Chinese: 武陵源) is a scenic and historical site in south-central China's Hunan Province. It was inscribed as a UNESCOWorld Heritage Site in 1992.[1] It is noted for more than 3,000 quartzitesandstone pillars and peaks across most of the site, many over 200 metres (660 ft) in height, along with many ravines and gorges with attractive streams, pools, lakes, rivers and waterfalls.[1] It features 40 caves, many with large calcite deposits, and two natural bridges, Xianrenqiao (Bridge of the Immortals) and Tianqiashengkong (Bridge Across the Sky).[1]